/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2021, Google Inc.
 *
 * Frame buffer handling interface definition
 */

#pragma once

#include <hardware/camera3.h>

#include <libcamera/base/class.h>
#include <libcamera/base/span.h>
#include <libcamera/geometry.h>
#include <libcamera/pixel_format.h>

class CameraBuffer final : public libcamera::Extensible
{
	LIBCAMERA_DECLARE_PRIVATE()

public:
	CameraBuffer(buffer_handle_t camera3Buffer,
		     libcamera::PixelFormat pixelFormat,
		     const libcamera::Size &size, int flags);
	~CameraBuffer();

	bool isValid() const;

	unsigned int numPlanes() const;

	libcamera::Span<const uint8_t> plane(unsigned int plane) const;
	libcamera::Span<uint8_t> plane(unsigned int plane);

	unsigned int stride(unsigned int plane) const;
	unsigned int offset(unsigned int plane) const;
	unsigned int size(unsigned int plane) const;

	size_t jpegBufferSize(size_t maxJpegBufferSize) const;
};

#define PUBLIC_CAMERA_BUFFER_IMPLEMENTATION				\
CameraBuffer::CameraBuffer(buffer_handle_t camera3Buffer,		\
			   libcamera::PixelFormat pixelFormat,		\
			   const libcamera::Size &size, int flags)	\
	: Extensible(std::make_unique<Private>(this, camera3Buffer,	\
					       pixelFormat, size,	\
					       flags))			\
{									\
}									\
CameraBuffer::~CameraBuffer()						\
{									\
}									\
bool CameraBuffer::isValid() const					\
{									\
	return _d()->isValid();						\
}									\
unsigned int CameraBuffer::numPlanes() const				\
{									\
	return _d()->numPlanes();					\
}									\
Span<const uint8_t> CameraBuffer::plane(unsigned int plane) const	\
{									\
	return const_cast<Private *>(_d())->plane(plane);		\
}									\
Span<uint8_t> CameraBuffer::plane(unsigned int plane)			\
{									\
	return _d()->plane(plane);					\
}									\
unsigned int CameraBuffer::stride(unsigned int plane) const		\
{									\
	return _d()->stride(plane);					\
}									\
unsigned int CameraBuffer::offset(unsigned int plane) const		\
{									\
	return _d()->offset(plane);					\
}									\
unsigned int CameraBuffer::size(unsigned int plane) const		\
{									\
	return _d()->size(plane);					\
}									\
size_t CameraBuffer::jpegBufferSize(size_t maxJpegBufferSize) const	\
{									\
	return _d()->jpegBufferSize(maxJpegBufferSize);			\
}
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<div class='path'>path: <a href='/libcamera/vivid.git/tree/?h=v0.0.4&amp;id=a58a784e53f4c350a912aa36a1103ee2f259aedb'>root</a>/<a href='/libcamera/vivid.git/tree/src?h=v0.0.4&amp;id=a58a784e53f4c350a912aa36a1103ee2f259aedb'>src</a>/<a href='/libcamera/vivid.git/tree/src/qcam?h=v0.0.4&amp;id=a58a784e53f4c350a912aa36a1103ee2f259aedb'>qcam</a>/<a href='/libcamera/vivid.git/tree/src/qcam/assets?h=v0.0.4&amp;id=a58a784e53f4c350a912aa36a1103ee2f259aedb'>assets</a>/<a href='/libcamera/vivid.git/tree/src/qcam/assets/shader?h=v0.0.4&amp;id=a58a784e53f4c350a912aa36a1103ee2f259aedb'>shader</a>/<a href='/libcamera/vivid.git/tree/src/qcam/assets/shader/shaders.qrc?h=v0.0.4&amp;id=a58a784e53f4c350a912aa36a1103ee2f259aedb'>shaders.qrc</a></div><div class='content'>blob: 96c709f9271c65df8acfa896933fcb3bba957a30 (<a href='/libcamera/vivid.git/plain/src/qcam/assets/shader/shaders.qrc?h=v0.0.4&amp;id=a58a784e53f4c350a912aa36a1103ee2f259aedb'>plain</a>)
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<td class='lines'><pre><code>&lt;!-- SPDX-License-Identifier: LGPL-2.1-or-later --&gt;
&lt;!DOCTYPE RCC&gt;&lt;RCC version=&quot;1.0&quot;&gt;
&lt;qresource&gt;
	&lt;file&gt;RGB.frag&lt;/file&gt;
	&lt;file&gt;YUV_2_planes.frag&lt;/file&gt;
	&lt;file&gt;YUV_3_planes.frag&lt;/file&gt;
	&lt;file&gt;YUV_packed.frag&lt;/file&gt;
	&lt;file&gt;bayer_1x_packed.frag&lt;/file&gt;
	&lt;file&gt;bayer_8.frag&lt;/file&gt;
	&lt;file&gt;bayer_8.vert&lt;/file&gt;
	&lt;file&gt;identity.vert&lt;/file&gt;
&lt;/qresource&gt;
&lt;/RCC&gt;
</code></pre></td></tr></table>
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